Service Request Data Purge Error: 'ORA-01555: snapshot too old', and Performance Issue
Last updated on APRIL 05, 2018
Applies to:
Oracle Field Service - Version 12.1.3 to 12.1.3 [Release 12.1]Oracle Teleservice - Version 12.1.3 and later
Information in this document applies to any platform.
Symptoms
On : 12.1.3 version, Concurrent Program Requests
When attempting to run the Service Request Purge concurrent request, the following error occurs.
ERROR
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An internal error encountered while purging the batch. ORA-01555: snapshot too old. rollback segment number 168 with name "_SYSSMU168_1439966207$" too small in Package CSF_MAINTAIN_GRP Procedure Purge_FieldServiceObjects
STEPS
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The issue can be reproduced at will with the following steps:
1. Submit the Service Request Purge concurrent request (for a single SR)
2. Wait for it to complete (takes about an hour)
3. Check the log/output
Cause
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